release/src/router/mysql/storage/innobase/include/ha_prototypes.h

   1 #ifndef HA_INNODB_PROTOTYPES_H
   2 #define HA_INNODB_PROTOTYPES_H
   3
   4 #ifndef UNIV_HOTBACKUP
   5
   6 #include "univ.i" /* ulint, uint */
   7 #include "m_ctype.h" /* CHARSET_INFO */
   8
   9 /* Prototypes for global functions in ha_innodb.cc that are called by
  10 InnoDB's C-code. */
  11
  12 /*************************************************************************
  13 Wrapper around MySQL's copy_and_convert function, see it for
  14 documentation. */
  15
  16 ulint
  17 innobase_convert_string(
  18 /*====================*/
  19         void*           to,
  20         ulint           to_length,
  21         CHARSET_INFO*   to_cs,
  22         const void*     from,
  23         ulint           from_length,
  24         CHARSET_INFO*   from_cs,
  25         uint*           errors);
  26
  27 /*****************************************************************//**
  28 Convert a table or index name to the MySQL system_charset_info (UTF-8)
  29 and quote it if needed.
  30 @return pointer to the end of buf */
  31
  32 char*
  33 innobase_convert_name(
  34 /*==================*/
  35         char*           buf,    /*!< out: buffer for converted identifier */
  36         ulint           buflen, /*!< in: length of buf, in bytes */
  37         const char*     id,     /*!< in: identifier to convert */
  38         ulint           idlen,  /*!< in: length of id, in bytes */
  39         void*           thd,    /*!< in: MySQL connection thread, or NULL */
  40         ibool           table_id);/*!< in: TRUE=id is a table or database name;
  41                                 FALSE=id is an index name */
  42
  43 /**********************************************************************
  44 Returns true if the thread is the replication thread on the slave
  45 server. Used in srv_conc_enter_innodb() to determine if the thread
  46 should be allowed to enter InnoDB - the replication thread is treated
  47 differently than other threads. Also used in
  48 srv_conc_force_exit_innodb(). */
  49
  50 ibool
  51 thd_is_replication_slave_thread(
  52 /*============================*/
  53                         /* out: true if thd is the replication thread */
  54         void*   thd);   /* in: thread handle (THD*) */
  55
  56 /**********************************************************************
  57 Returns true if the transaction this thread is processing has edited
  58 non-transactional tables. Used by the deadlock detector when deciding
  59 which transaction to rollback in case of a deadlock - we try to avoid
  60 rolling back transactions that have edited non-transactional tables. */
  61
  62 ibool
  63 thd_has_edited_nontrans_tables(
  64 /*===========================*/
  65                         /* out: true if non-transactional tables have
  66                         been edited */
  67         void*   thd);   /* in: thread handle (THD*) */
  68
  69 /**********************************************************************
  70 Returns true if the thread is executing a SELECT statement. */
  71
  72 ibool
  73 thd_is_select(
  74 /*==========*/
  75                                 /* out: true if thd is executing SELECT */
  76         const void*     thd);   /* in: thread handle (THD*) */
  77
  78 /**********************************************************************
  79 Check if the length of the identifier exceeds the maximum allowed.
  80 The input to this function is an identifier in charset my_charset_filename.
  81 return true when length of identifier is too long. */
  82
  83 my_bool
  84 innobase_check_identifier_length(
  85 /*=============================*/
  86         const char*     id);    /* in: identifier to check.  it must belong
  87                                 to charset my_charset_filename */
  88
  89 /**********************************************************************
  90 Converts an identifier from my_charset_filename to UTF-8 charset. */
  91
  92 uint
  93 innobase_convert_to_system_charset(
  94 /*===============================*/
  95         char*           to,             /* out: converted identifier */
  96         const char*     from,           /* in: identifier to convert */
  97         ulint           len,            /* in: length of 'to', in bytes */
  98         uint*           errors);        /* out: error return */
  99
 100 /**********************************************************************
 101 Converts an identifier from my_charset_filename to UTF-8 charset. */
 102 uint
 103 innobase_convert_to_filename_charset(
 104 /*=================================*/
 105         char*           to,     /* out: converted identifier */
 106         const char*     from,   /* in: identifier to convert */
 107         ulint           len);   /* in: length of 'to', in bytes */
 108
 109 #endif
 110 #endif